Finding the Fourth Proportional to 831,442.56, 1,246,230.72 and 411,013.68
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Solution
The fourth proportional to 831,442.56, 1,246,230.72 and 411,013.68 is: 616,059.24
Step by Step Solution
- Step 1: Write the proportion equation
831,442.56 : 1,246,230.72 = 411,013.68 : x - Step 2: Convert to fraction form
831,442.56/1,246,230.72 = 411,013.68/x - Step 3: Cross multiply
831,442.56x = 1,246,230.72 × 411,013.68 - Step 4: Simplify right side
831,442.56x = 512,217,874,356.25 - Step 5: Solve for x
x = 512,217,874,356.25/831,442.56 - Step 6: Final answer
x = 616,059.24
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.